Should I be able to jog the axes with the drive not enabled through
LinuxCNC with a 7i33? I have not had any success in being able to control
movement, speed, or distance either in continuous or in step increments. It
moves in the correct direction, but only stops when it exceeds following
error. I tried countless PID settings.
I thought that I could cheat, and enable the servo drives using the
original control. I did not wire what looks to be 5V drive enable on the
7i33. Is this causing my trouble?
How can I determine what enables the servo drives on the old control? I
have located a relay that switches when I enter a run or position command
on the old control.
I have schematics, but I'm not good interpreting them.



On Sun, Apr 5, 2020 at 9:31 PM Joe H <[email protected]> wrote:

> Thank you, Andy, Peter.
> I will try this and spend more time and effort in PID tuning per John
> Thornton's tutorial.
>
> On Sun, Apr 5, 2020 at 9:18 PM andy pugh <[email protected]> wrote:
>
>> On Mon, 6 Apr 2020 at 01:18, Joe H <[email protected]> wrote:
>>
>> > How can I scale the motor input/output and keep the encoders scaled
>> > properly in a set up like this?
>>
>> Completely ignore the motors and gearing. Configure with the actual
>> ballscrew pitch and all geared 1:1
>>
>> --
>> atp
>> "A motorcycle is a bicycle with a pandemonium attachment and is
>> designed for the especial use of mechanical geniuses, daredevils and
>> lunatics."
>> — George Fitch, Atlanta Constitution Newspaper, 1912
>>
>>
>> _______________________________________________
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>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>

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